From: Ville Syrjälä Date: Tue, 5 May 2015 14:17:37 +0000 (+0300) Subject: drm/i915: Disable CRT port after pipe on PCH platforms X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1ea56e269e13;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/i915: Disable CRT port after pipe on PCH platforms Follow the BSpec sequence for the CRT port as well on PCH platforms, ie. disable the pipe before the port. Didn't bother looking at DDI in detail yet, so leave that one be even though the CRT is a PCH port there. Signed-off-by: Ville Syrjälä Reviewed-by: Jesse Barnes Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 93bb5159d093..521af2c069cb 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -207,6 +207,14 @@ static void intel_disable_crt(struct intel_encoder *encoder) intel_crt_set_dpms(encoder, DRM_MODE_DPMS_OFF); } +static void pch_disable_crt(struct intel_encoder *encoder) +{ +} + +static void pch_post_disable_crt(struct intel_encoder *encoder) +{ + intel_disable_crt(encoder); +} static void hsw_crt_post_disable(struct intel_encoder *encoder) { @@ -888,7 +896,12 @@ void intel_crt_init(struct drm_device *dev) crt->adpa_reg = ADPA; crt->base.compute_config = intel_crt_compute_config; - crt->base.disable = intel_disable_crt; + if (HAS_PCH_SPLIT(dev) && !HAS_DDI(dev)) { + crt->base.disable = pch_disable_crt; + crt->base.post_disable = pch_post_disable_crt; + } else { + crt->base.disable = intel_disable_crt; + } crt->base.enable = intel_enable_crt; if (I915_HAS_HOTPLUG(dev)) crt->base.hpd_pin = HPD_CRT;